SIGILL

From Cppreference

C++ Standard Library
Language Utilities library Strings library Containers library Algorithms library Iterators library Numerics library Input/output library Localizations library Regular expressions library (C++0x feature) Atomic operations library (C++0x feature) Thread support library (C++0x feature)
Utilities library
Basic types Dynamic memory management Error handling Runtime type information initializer_list Program utilities Compile-time rational arithmetic (C++0x) Date and time bitset Function objects Type traits Relational operators Pairs and tuples pair tuple (C++0x) make_pair Swap, forward and move swap forward (C++0x) move (C++0x) move_if_noexcept (C++0x)
Program support utilities
Template:cpp/utility/program/sidebar content

Defined in header <csignal>
​#define SIGILL /*implementation defined*/​

The SIGILL macro expands into an integral expression, defining a signal number. This signal represents invalid program image, such as invalid instruction.

See also

signal	sets a signal handler for particular signal (function)
raise	runs the signal handler for particular signal (function)